var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var Data=require("./routes/Data.json");

var fs=require("fs");
var path=require("path");
var fpath=path.join(__dirname,"routes","Data.json");

function store(){
  fs.writeFile(fpath,JSON.stringify(Data),function (error){});
}

var app = express();

var server=require("http").Server(app);
var io=require("socket.io")(server);
server.listen(3000);
var session=require("express-session")({
  secret:"keyborad",
  cookie:{maxAge:80000}
});
var iosession=require("express-socket.io-session")(session);

io.on("connection",function (socket){
   socket.on("say",(data)=>{
    var User=socket.handshake.session.User;
    Data.Message.push({Message:data,time:new Date(),User:User});
    store();
     io.emit("return",User+":"+data+"(:"+new Date()+")");
   });
});

io.use(iosession);
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session);
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/users', usersRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});
//
// module.exports = app;
